Finding the Fourth Proportional to 40,101, 60,154.92 and 10,518.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,101 : 60,154.92 = 10,518.72 : x
2. Step 2: Convert to fraction form
   40,101/60,154.92 = 10,518.72/x
3. Step 3: Cross multiply
   40,101x = 60,154.92 × 10,518.72
4. Step 4: Simplify right side
   40,101x = 632,752,760.10
5. Step 5: Solve for x
   x = 632,752,760.10/40,101
6. Step 6: Final answer
   x = 15,778.98